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All results from a given calculation for C4H8O2 (1,3-Dioxane)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-307.623530
Energy at 298.15K-307.634844
Nuclear repulsion energy265.604902
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3149 3032 35.05      
2 A' 3115 2999 31.68      
3 A' 3099 2984 32.71      
4 A' 3049 2936 23.97      
5 A' 2973 2862 126.34      
6 A' 2922 2813 89.50      
7 A' 1521 1464 6.35      
8 A' 1506 1450 0.81      
9 A' 1474 1419 7.37      
10 A' 1419 1366 16.63      
11 A' 1333 1283 6.64      
12 A' 1218 1173 92.78      
13 A' 1191 1146 95.71      
14 A' 1121 1079 19.48      
15 A' 1016 978 42.25      
16 A' 926 891 12.94      
17 A' 854 822 11.83      
18 A' 655 630 4.87      
19 A' 491 473 0.58      
20 A' 436 419 10.43      
21 A' 270 260 1.78      
22 A" 3112 2996 49.81      
23 A" 2965 2855 22.87      
24 A" 1505 1449 7.96      
25 A" 1454 1399 11.56      
26 A" 1394 1342 1.09      
27 A" 1375 1324 0.02      
28 A" 1347 1297 1.56      
29 A" 1267 1220 31.87      
30 A" 1242 1196 0.00      
31 A" 1082 1042 52.82      
32 A" 1037 999 82.43      
33 A" 927 892 25.46      
34 A" 903 869 0.01      
35 A" 464 447 6.65      
36 A" 265 255 1.96      

Unscaled Zero Point Vibrational Energy (zpe) 27038.7 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 26030.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-311G*
ABC
0.16790 0.16119 0.09241

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.616 -1.202 0.000
O2 0.016 -0.762 1.169
O3 0.016 -0.762 -1.169
C4 0.016 0.656 1.237
C5 0.016 0.656 -1.237
C6 0.681 1.247 0.000
H7 -0.567 -2.290 0.000
H8 -1.670 -0.861 0.000
H9 0.543 0.921 2.156
H10 -1.022 1.019 1.322
H11 0.543 0.921 -2.156
H12 -1.022 1.019 -1.322
H13 1.743 0.982 0.000
H14 0.601 2.340 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.39961.39962.31972.31972.77061.08911.10743.23992.61623.23992.61623.21463.7445
O21.39962.33701.41962.79242.41702.00972.05412.02102.06773.76313.23332.71813.3656
O31.39962.33702.79241.41962.41702.00972.05413.76313.23332.02102.06772.71813.3656
C42.31971.41962.79242.47421.52353.24752.58381.09171.10343.44382.78552.14902.1696
C52.31972.79241.41962.47421.52353.24752.58383.44382.78551.09171.10342.14902.1696
C62.77062.41702.41701.52351.52353.74983.15752.18462.16782.18462.16781.09461.0959
H71.08912.00972.00973.24753.24753.74981.80484.02333.59224.02333.59224.00474.7742
H81.10742.05412.05412.58382.58383.15751.80483.56672.38833.56672.38833.87893.9247
H93.23992.02103.76311.09173.44382.18464.02333.56671.77624.31163.81492.46802.5813
H102.61622.06773.23331.10342.78552.16783.59222.38831.77623.81492.64383.06502.4748
H113.23993.76312.02103.44381.09172.18464.02333.56674.31163.81491.77622.46802.5813
H122.61623.23332.06772.78551.10342.16783.59222.38833.81492.64381.77623.06502.4748
H133.21462.71812.71812.14902.14901.09464.00473.87892.46803.06502.46803.06501.7741
H143.74453.36563.36562.16962.16961.09594.77423.92472.58132.47482.58132.47481.7741

picture of 1,3-Dioxane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C4 110.731 C1 O3 C5 110.731
O2 C1 O3 113.211 O2 C1 H7 107.048
O2 C1 H8 109.489 O2 C4 C6 110.365
O2 C4 H9 106.446 O2 C4 H10 109.436
O3 C1 H7 107.048 O3 C1 H8 109.489
O3 C5 C6 110.365 O3 C5 H11 106.446
O3 C5 H12 109.436 C4 C6 C5 108.587
C4 C6 H13 109.240 C4 C6 H14 110.786
C5 C6 H13 109.240 C5 C6 H14 110.786
C6 C4 H9 112.253 C6 C4 H10 110.196
C6 C5 H11 112.253 C6 C5 H12 110.196
H7 C1 H8 110.504 H9 C4 H10 108.030
H11 C5 H12 108.030 H13 C6 H14 108.175
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.077      
2 O -0.325      
3 O -0.325      
4 C -0.276      
5 C -0.276      
6 C -0.432      
7 H 0.223      
8 H 0.183      
9 H 0.228      
10 H 0.199      
11 H 0.228      
12 H 0.199      
13 H 0.233      
14 H 0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.683 1.914 0.000 2.032
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.918 1.638 0.000
y 1.638 -34.928 0.000
z 0.000 0.000 -38.887
Traceless
 xyz
x 0.989 1.638 0.000
y 1.638 2.475 0.000
z 0.000 0.000 -3.464
Polar
3z2-r2-6.928
x2-y2-0.991
xy1.638
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.884 0.466 0.000
y 0.466 7.727 0.000
z 0.000 0.000 7.275


<r2> (average value of r2) Å2
<r2> 138.742
(<r2>)1/2 11.779